/*
 * Copyright 2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hbasesoft.framework.ai.agent.tool.browser.actions;

import com.hbasesoft.framework.ai.agent.tool.ToolExecuteResult;
import com.hbasesoft.framework.ai.agent.tool.browser.BrowserUseTool;
import com.microsoft.playwright.Page;

public class ScrollAction extends BrowserAction {

    private final static org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ScrollAction.class);

    public ScrollAction(BrowserUseTool browserUseTool) {
        super(browserUseTool);
    }

    @Override
    public ToolExecuteResult execute(BrowserRequestVO request) throws Exception {
        Integer scrollAmount = request.getScrollAmount();

        if (scrollAmount == null) {
            return new ToolExecuteResult("Scroll amount is required for 'scroll' action");
        }

        Page page = getCurrentPage(); // Get Playwright Page instance
        page.evaluate("window.scrollBy(0, arguments[0])", scrollAmount); // Use Playwright
        // Execute scroll

        String direction = scrollAmount > 0 ? "down" : "up";
        return new ToolExecuteResult("Scrolled " + direction + " by " + Math.abs(scrollAmount) + " pixels");
    }

}
